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https://dev.mysql.com/doc/refman/8.4/en/replication-semisync.html
If your goal is to implement a fault-tolerant replication topology where all the servers receive the same transactions in the same order, and a server that crashes can rejoin the group and be brought up to date automatically, you can use Group ...
https://dev.mysql.com/doc/refman/8.4/en/server-status-variables.html
If there is no pending resize down operation, Innodb_redo_log_capacity_resized should be equal to the innodb_redo_log_capacity setting if it's used, or it's ((innodb_log_files_in_group * innodb_log_file_size)) if those are used instead. On some ...
https://dev.mysql.com/doc/refman/8.4/en/sql-mode.html
Setting the SQL Mode The default SQL mode in MySQL 8.4 includes these modes: ONLY_FULL_GROUP_BY, STRICT_TRANS_TABLES, NO_ZERO_IN_DATE, NO_ZERO_DATE, ERROR_FOR_DIVISION_BY_ZERO, and NO_ENGINE_SUBSTITUTION. ONLY_FULL_GROUP_BY Reject queries for which ... The MySQL server can operate in different SQL modes, and can apply these modes differently for different clients, depending on the value of the sql_mode system ...
https://dev.mysql.com/doc/refman/8.4/en/sql-replication-statements.html
Statements are split into a group which controls source servers, a group which controls replica servers, and a group which can be applied to any replication servers. Replication can be controlled through the SQL interface using the statements ...
https://dev.mysql.com/doc/refman/8.4/en/string-functions.html
The optional third parameter enables a locale to be specified to be used for the result number's decimal point, thousands separator, and grouping between separators. If the last group is incomplete, it is padded with '=' characters to a length of 4.
https://dev.mysql.com/doc/refman/8.4/en/with.html
A common table expression (CTE) is a named temporary result set that exists within the scope of a single statement and that can be referred to later within that statement, possibly multiple times. The following discussion describes how to write ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/standard-options.html
The general options are options of a general nature, or options that are not classified under any other specific option group: The following general options also exist for the mysql command. --defaults-group-suffix=str: Also read option groups with ...Full descriptions for these options can be found in the MySQL reference manual, for example in Server Option, System Variable, and Status Variable ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-show-status.html
operational All node groups are up and running, but at least one data node process (ndbd or ndbmtd) is not running. non-operational The cluster is not operational, because at least one node group is offline. If the Process is ndbd or ndbmtd—that ... show status show status --cluster|-c cluster_name show status --operation|-o cluster_name show status --backup|-b cluster_name show status --process|-r cluster_name show status --progress cluster_name show status --progressbar cluster_name This command is used to check the status of clusters, cluster processes, backups, and commands issued in the MySQL Cluster Manager ...
https://dev.mysql.com/doc/relnotes/mysql-cluster/8.4/en/news-8-4-3.html
MySQL NDB Cluster 8.4.3 is a new LTS release of NDB 8.4, based on MySQL Server 8.4 and including features in version 8.4 of the NDB storage engine, as well as fixing recently discovered bugs in previous NDB Cluster releases. NDB Cluster 8.4 source ...
https://dev.mysql.com/doc/relnotes/mysql-shell/8.4/en/news-8-4-3.html
AdminAPI Bugs Fixed Utilities Added or Changed Functionality Utilities Bugs Fixed Bugs Fixed AdminAPI Bugs Fixed Running a rescan() operation on a Replica Cluster, could result in a warning that group_replication_view_change_uuid is required, but ...This occurred in a mixed version ClusterSet, where the primary Cluster is on version 8.3.0, or higher, and the replicas were on versions lower than ...